girls use indirect, or relational, aggression. they go behind each other's backs, or they attack each other's friendships. >> so, how do girls survive middle school? we'll explore that in a separate report. meanwhile, here's some words of advice from our guys. >> if you get rejected, just get back up. >> always be yourself, and never be someone you're not. >> you have to stay strong. >> but also be nice. like, try to get along with everyone. >> stay on top of your work. just keep calm. try not to let what others say affect you too much, because you'll see, you know, later on in your life that it doesn't really matter as much. >> just be yourself, because people who you want to hang out with will accept you for who you are, anyways. >> here's my advice. avoid middle-school drama. it's just not worth it. for "tkn," i'm scott. >> one thing you can expect from life is the unexpected. that's why knowing some basic first aid is important. >> what is cpr? >> cpr stands for cardiopulmonary resuscitation, and that's a really big term that